namespace HydroUI { [Serializable] public class PipeViewModel : LinkViewModel { public override string ToString() { if (Roughness == 0) Roughness = 110; string statusString = Status == StatusType.CLOSED ? "CLOSED" : ""; return $"{ID}\t{Node1}\t{Node2}\t{Length}\t{Diameter}\t{Roughness}\t{MinorLoss}\t{statusString}\t;\t"; } } }